The answer is A. the attraction between atoms that enables the formation of chemical compounds.
        
             
        
        
        
Answer:
12.32 L. 
Explanation:
The following data were obtained from the question:
Mass of CH4 = 8.80 g
Volume of CH4 =? 
Next, we shall determine the number of mole in 8.80 g of CH4. This can be obtained as follow:
Mass of CH4 = 8.80 g
Molar mass of CH4 = 12 + (1×4) = 12 + 4 = 16 g/mol
Mole of CH4 =? 
Mole = mass/Molar mass 
Mole of CH4 = 8.80 / 16
Mole of CH4 = 0.55 mole. 
Finally, we shall determine the volume of the gas at stp as illustrated below:
1 mole of a gas occupies 22.4 L at stp.
Therefore, 0.55 mole of CH4 will occupy = 0.55 × 22.4 = 12.32 L. 
Thus, 8.80 g of CH4 occupies 12.32 L at STP. 
 
        
             
        
        
        
Answer:
Elements in the same group have the same number of valence electrons.
Explanation: Science.
 
        
             
        
        
        
Answer: high iridium levels in a 66- million-year-old clay layer in Denmark and Italy 
Explanation: 
 
        
                    
             
        
        
        
Boyle found that when the pressure of gas at a constant temperature is increased, the volume of the gas decreases. when the pressure of gas is decreased, the volume increases. this relationship between pressure and volume is called Boyle's law.